4021243421224 has 16 divisors (see below), whose sum is σ = 7867650172320. Its totient is φ = 1923203375280.

The previous prime is 4021243421207. The next prime is 4021243421323. The reversal of 4021243421224 is 4221243421204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10927291722 + ... + 10927292089.

It is an arithmetic number, because the mean of its divisors is an integer number (491728135770).

Almost surely, 2^{4021243421224} is an apocalyptic number.

It is an amenable number.

4021243421224 is a deficient number, since it is larger than the sum of its proper divisors (3846406751096).

4021243421224 is a wasteful number, since it uses less digits than its factorization.

4021243421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21854583840 (or 21854583836 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 4021243421224 its reverse (4221243421204), we get a palindrome (8242486842428).

The spelling of 4021243421224 in words is "four trillion, twenty-one billion, two hundred forty-three million, four hundred twenty-one thousand, two hundred twenty-four".